History Main / TieInCereal

If there ever was a rule that should be listed in the RulesOfTheInternet but isn't, it would be "if it exists, there's a breakfast cereal based on it."

* Kellogg's released [[https://www.mariowiki.com/Super_Mario_Cereal Super Mario Cereal]] in December 2017 as part of a deal with Nintendo to promote ''VideoGame/SuperMarioOdyssey''. The cereal featured marshmallows in the shape of Super Mushrooms, 1-Up Mushrooms, and Question-Mark Blocks, and initially featured an NFC amiibo chip in the box that could be scanned to obtain power-ups and coins, or reveal a Power Moon's location. The latter feature led to intact boxes being widely scalped, especially after Kellogg's started selling boxes without the chip a few months later.

** Over the years, Kellogg's has released a number of Star Wars based cereals, with Yoda (representing the Jedi) or Darth Vader (representing the Sith) adorning the front of the boxes. Other examples include ones with Jedi from the prequel trilogy, BB-8 and Baby Yoda. It was all the same kind of cereal: plain kernels with ''Star Wars''-themed marshmallows.

* ''WesternAnimation/TheFairlyOddParents'' had a cereal with stars made of what, oat, and sweetened corn.

* [=FunkO's=] Breakfast Cereal was made as an {{Homage}} to the trope by the Toys/FunkoPop toy line, with many of their collectible cereal boxes based off of specific characters and a miniature Funko figure as a prize. Such examples include [[Franchise/LiloAndStitch Stitch]], [[Franchise/ANightmareOnElmStreet Freddy Kreuger]], [[Franchise/FridayThe13th Jason Voorhees]], Film/{{Beetlejuice}}, Creator/{{Elvira|MistressOfTheDark}}, ComicBook/HarleyQuinn, [[WesternAnimation/ThunderCats1985 Lion-O]], [[WesternAnimation/HeManAndTheMastersOfTheUniverse1983 Skeletor]], [[Series/MightyMorphinPowerRangers the Red Ranger]], [[VideoGame/{{Cuphead}} and Mugman]], [[WesternAnimation/TheHuckleberryHoundShow Huckleberry Hound]], Franchise/MegaMan and so on.

* Music/KaneBrown has Kane Krunch, a chocolate-flavored rice cereal.

* Kellogg's released [[https://www.mariowiki.com/Super_Mario_Cereal Super Mario Cereal]] in December 2017 as part of a deal with Nintendo to promote ''VideoGame/SuperMarioOdyssey''. The cereal featured marshmallows in the shape of Super Mushrooms, 1-Up Mushrooms, and Question-Mark Blocks, and initially featured an NFC amiibo chip in the box that could be scanned to obtain power-ups and coins. The latter feature led to intact boxes being widely scalped, especially after Kellogg's started selling boxes without the chip a few months later.

** Over the years, Kellogs has released a number of Star Wars based cereals, with Yoda (representing the Jedi) or Darth Vader (representing the Sith) adorning the front of the boxes. Other examples include ones with Jedi from the prequel trilogy, BB-8 and Baby Yoda. It was all the same kind of cereal: plain kernels with ''Star Wars''-themed marshmallows.
** In 1984, Goldenrod released C-3PO's, a cereal based on the character C-3PO with kernels shaped like Bs and 8s.

* ''WesternAnimation/{{Rugrats}}'': The TV show Reptar Crunch, filled with purple rice crisps and green dinosaurs.

* Naturally Krusty the Klown in ''WesternAnimation/TheSimpsons'' has one of these: Krusty-Os. In [[Recap/TheSimpsonsS6E22RoundSpringfield Round Springfield]]", the current FreePrizeAtTheBottom is a [[MyLittlePanzer Jagged Metal Krusty-O]] which Bart accidentally eats and kicks off the plot. Krusty also [[DiggingYourselfDeeper admits on live TV]], after eating a single piece of the cereal to prove that it is safe, that the cereal itself is outright ''poisonous'' while doubled-over in pain! As the episode winds down, the next free prize offered is [[HereWeGoAgain "Free flesh-eating bacteria"!]]

* In ''WesternAnimation/TheSimpsons'' episode "[[Recap/TheSimpsonsS6E22RoundSpringfield Round Springfield]]", [[ShowWithinAShow Krusty the Klown]] has a tie-in cereal, Krusty-O's. The FreePrizeAtTheBottom is a [[MyLittlePanzer Jagged Metal Krusty-O]] which Bart accidentally eats and kicks off the plot. Krusty also [[DiggingYourselfDeeper admits on live TV]], after eating a single piece of the cereal to prove that it is safe, that the cereal itself is outright ''poisonous'' while doubled-over in pain.

* ''TinyToonAdventures'' had their own cereal released in 1990, the year the show debut, it was Alphabits but only had the letters T,O, and N which spelled Toon. Which was ironic since the show has colorful characters and it you would have thought it would be sugary sweet cereal.

** Over the years, Kellogs has released a number of Star Wars based cereals, with Yoda (representing the Jedi) or Darth Vader (representing the Sith) adorning the front of the boxes. Other examples include ones with Jedi from the prequel trilogy, BB-8 and Baby Yoda. It was all the same kind of cereal; plain kernels with ''Star Wars''-themed marshmallows.

** The WesternAnimation/{{Teenage Mutant Ninja Turtles|1987}} Cereal came out in 1989 and was released by Ralston Purina, with pizza-shaped marshmallows coming out later on. Prizes included Ralston Purina comic books and collectible cards that tied into [[Film/TeenageMutantNinjaTurtles the 1990 live-action film]].

If there ever was a rule that should be listed in the RulesOfTheInternet but isn't, it would be "if it exists, there's a breakfast cereal based off of it."

* While ''WesternAnimation/TheAdventuresOfJimmyNeutronBoyGenius'' never got its own stand-alone cereal, there ''was'' a Limited Edition Advertising/CapnCrunch cereal named [[https://breakfast-cereal.fandom.com/wiki/File:Neutron.jpg Cap'n Crunch's Neutron Berries]], being a version of Oops! All Berries with the "berries" shaped like a rocket, Goddard and Jimmy and Cindy's heads.

* On the back of various Kellogg cereal-boxes in the late 90's, a campaign was made for fans to vote for one of eight tie-in cereal ideas for Creator/CartoonNetwork properties. While ''WesternAnimation/DextersLaboratory'' won first place and ''WesternAnimation/ThePowerpuffGirls1998'' was the runner-up, the campaign was abandoned before any of the cereals could get made, though tie-in stickers ''were'' made and are now collector's items.

* If there was ever an example of the trope that outlived its source material, that honor would go to Fruity Pebbles and Coco Pebbles. Originally made as a tie-in to TheSixties animated sitcom ''WesternAnimation/TheFlintstones'', the Pebbles Cereal was so popular that the cereal would continue to be sold in every grocery store in America to this day, even as the original show reached its end. Even if you've never seen an episode of ''The Flintstones'' or any other iteration of the franchise, you've probably had one of the Pebbles Cereals at least once.

* ''WesternAnimation/RenAndStimpy'' had Powdered Toastman Cereal, which is essentially a version of Cinnamon Toast Crunch.

* ''WesternAnimation/SpongeBobSquarePants'' had a tie-in cereal on four occasions, twice in 2004 (once to tie in with ''WesternAnimation/TheSpongeBobSquarePantsMovie''), once in 2014, and once in 2020 to tie in with ''WesternAnimation/TheSpongeBobMovieSpongeOnTheRun''. All of the cereals except the 2014 one were similar to Lucky Charms in that they had grain bits with marshmallows shaped like [=SpongeBob=], Patrick, and [=SpongeBob=]'s pineapple (as well as Plankton in the original movie's cereal), with the pieces themselves shaped like jellyfish in all but the ''Sponge on the Run'' cereal; in the 2014 one, the pieces are shaped like [=SpongeBob=] and Patrick and no marshmallows are in it.

* On the back of various Kellogg cereal-boxes in the late 90's, a campaign was made for fans to vote for one of eight tie-in cereal ideas for Creator/CartoonNetwork properties. While ''WesternAnimation/DextersLaboratory'' won first place and ''WesternAnimation/ThePowerpuffGirls1998'' was the runner-up, the campaign was abandoned before any of the cereals could get made, though tie-in stickers ''were'' made and are now collectors items.

!!!RealLife Tie-In Cereals

!!!InUniverse Parody Cereals

* Originally a background prop in ''VideoGame/{{Overwatch}}'', Lucio-oh's would later be {{Defictionalization}} into a real cereal.

* ''WesternAnimation/BillAndTedsExcellentAdventures'' had their own cereal called "Bill & Ted's Excellent Cereal."

* Each of ''Franchise/KungFuPanda'' movies had their own breakfast cereals, all them being chocolatey cereal with panda-shaped marshmallows.